53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <linux/if_infiniband.h>
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#include <net/ethernet.h>
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#include <stdbool.h>
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#include "hash-funcs.h"
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/* This is MAX_ADDR_LEN as defined in linux/netdevice.h, but net/if_arp.h
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* defines a macro of the same name with a much lower size. */
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#define HW_ADDR_MAX_SIZE 32
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union hw_addr_union {
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struct ether_addr ether;
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uint8_t infiniband[INFINIBAND_ALEN];
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uint8_t bytes[HW_ADDR_MAX_SIZE];
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};
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typedef struct hw_addr_data {
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union hw_addr_union addr;
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size_t length;
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} hw_addr_data;
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#define HW_ADDR_TO_STRING_MAX (3*HW_ADDR_MAX_SIZE)
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char* hw_addr_to_string(const hw_addr_data *addr, char buffer[HW_ADDR_TO_STRING_MAX]);
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/* Use only as function argument, never stand-alone! */
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#define HW_ADDR_TO_STR(hw_addr) hw_addr_to_string((hw_addr), (char[HW_ADDR_TO_STRING_MAX]){})
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#define HW_ADDR_NULL ((const hw_addr_data){})
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#define ETHER_ADDR_FORMAT_STR "%02X%02X%02X%02X%02X%02X"
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#define ETHER_ADDR_FORMAT_VAL(x) (x).ether_addr_octet[0], (x).ether_addr_octet[1], (x).ether_addr_octet[2], (x).ether_addr_octet[3], (x).ether_addr_octet[4], (x).ether_addr_octet[5]
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#define ETHER_ADDR_TO_STRING_MAX (3*6)
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char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]);
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int ether_addr_compare(const struct ether_addr *a, const struct ether_addr *b);
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static inline bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) {
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return ether_addr_compare(a, b) == 0;
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}
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#define ETHER_ADDR_NULL ((const struct ether_addr){})
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static inline bool ether_addr_is_null(const struct ether_addr *addr) {
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return ether_addr_equal(addr, ÐER_ADDR_NULL);
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}
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int ether_addr_from_string(const char *s, struct ether_addr *ret);
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extern const struct hash_ops ether_addr_hash_ops;
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